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Verified Reviews for Energy Efficiency Auditing pros in Cassopolis, MI
*The Angi rating for Energy Efficiency Auditing companies in Cassopolis, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.
*The HomeAdvisor rating for Energy Efficiency Auditing companies in Cassopolis, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.
Last update on October 29, 2025
Find Energy efficiency auditors in Cassopolis

USA Alarm Service, Inc
USA Alarm Service, Inc
USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.
USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.

Petro Plumbing & Mech.
Petro Plumbing & Mech.
Petro Plumbing is a family owned business with over 20 years of experience in residential, commercial, and industrial plumbing. From drain cleaning to bathroom remodeling to industrial builds, there's no project too big or too small.
"Petro Plumbing & Mechanical are the quintessential professionals."
Matthew W on February 2021
Petro Plumbing is a family owned business with over 20 years of experience in residential, commercial, and industrial plumbing. From drain cleaning to bathroom remodeling to industrial builds, there's no project too big or too small.
"Petro Plumbing & Mechanical are the quintessential professionals."
Matthew W on February 2021
Solar Wolf Energy
Solar Wolf Energy
Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!
Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!

Roman Air Heating/Cooling & Plumbing
Roman Air Heating/Cooling & Plumbing
We provide Heating Cooling and Plumbing services to all of South Michigan. We have fair prices, honest employees, and hi quality service.
"Lenny and his team were outstanding! Very easy to work with and scheduled us quickly. Didn’t try selling us on anything more than what we needed which was refreshing because we had so many people quote us work that was not needed."
Chad H on June 2020
We provide Heating Cooling and Plumbing services to all of South Michigan. We have fair prices, honest employees, and hi quality service.
"Lenny and his team were outstanding! Very easy to work with and scheduled us quickly. Didn’t try selling us on anything more than what we needed which was refreshing because we had so many people quote us work that was not needed."
Chad H on June 2020
Better World Builders, LLC
Better World Builders, LLC
Founded in 2008, award-winning Better World Builders is Southwest Michigan’s premier Home Performance Contractor and your one-stop shop for everything related to energy efficiency. Our team of experts has an intimate understanding of building science that allows us to create custom plans to make even the oldest homes perform like new. The average person spends 90% of their time indoors, and Better World Builders team wants to make your indoor spaces as comfortable, safe, durable, and efficient as possible. Our mission is to create added home value through healthy, resilient, and energy-efficient homes. We help our clients take control of their energy use and indoor air quality environments. Every home is made up of many systems. These include roofing systems; insulation systems; siding, door, and window systems; heating, cooling and ventilation systems; and water control systems. When these systems work well together, you can have an efficient and valuable Home Performance property. When these systems are old or not working, your home and family can be vulnerable to high energy bills, uncomfortable rooms, icicles, mold, increased costs for maintenance surprises, and may even be more susceptible to severe weather events. Better World Builders is a full-service Home Performance Contractor and can coordinate the right repairs, replacements, and retrofits with trusted service and tested results all with one call! We don’t guess, WE TEST!
Founded in 2008, award-winning Better World Builders is Southwest Michigan’s premier Home Performance Contractor and your one-stop shop for everything related to energy efficiency. Our team of experts has an intimate understanding of building science that allows us to create custom plans to make even the oldest homes perform like new. The average person spends 90% of their time indoors, and Better World Builders team wants to make your indoor spaces as comfortable, safe, durable, and efficient as possible. Our mission is to create added home value through healthy, resilient, and energy-efficient homes. We help our clients take control of their energy use and indoor air quality environments. Every home is made up of many systems. These include roofing systems; insulation systems; siding, door, and window systems; heating, cooling and ventilation systems; and water control systems. When these systems work well together, you can have an efficient and valuable Home Performance property. When these systems are old or not working, your home and family can be vulnerable to high energy bills, uncomfortable rooms, icicles, mold, increased costs for maintenance surprises, and may even be more susceptible to severe weather events. Better World Builders is a full-service Home Performance Contractor and can coordinate the right repairs, replacements, and retrofits with trusted service and tested results all with one call! We don’t guess, WE TEST!
JE Mechanical
JE Mechanical
We are a small local company. We provide high quality work at very affordable prices. we accept credit cards, cash and checks for payments. all pricing is final and upfront so you know how much the project will cost before it is even started.
We are a small local company. We provide high quality work at very affordable prices. we accept credit cards, cash and checks for payments. all pricing is final and upfront so you know how much the project will cost before it is even started.
Athena Constructions Inc
Athena Constructions Inc
We are a woman run business with over 12 years of construction experience. We specialize in home energy inspections, insulation installation, and air sealing. Our goal is to make our customers happy through quality service.
We are a woman run business with over 12 years of construction experience. We specialize in home energy inspections, insulation installation, and air sealing. Our goal is to make our customers happy through quality service.
Comfort Zone Energy Savings
Comfort Zone Energy Savings
Home energy audits and insulation specialist
Home energy audits and insulation specialist

Hi-Tech Electric Company
Hi-Tech Electric Company
Hi-Tech Electric is a family owned company that has prided itself on customer service. We have maintained a workforce of highly trained personable individuals that go the extra mile to insure that the job is done correctly and the customer is happy.
Hi-Tech Electric is a family owned company that has prided itself on customer service. We have maintained a workforce of highly trained personable individuals that go the extra mile to insure that the job is done correctly and the customer is happy.
The Cassopolis, MI homeowners’ guide to energy efficiency auditing services
From average costs to expert advice, get all the answers you need to get your job done.
•Discover the average home energy audit cost, what impacts pricing, and how to save money on your audit. Get transparent, expert-backed cost info for homeowners.

Find out where homeowners spend the least and the most on house utilities like water, electricity, internet, cable, and natural gas.

A home energy audit is a detailed write-up of how to lower your utility bills and increase your comfort level. Find out if they’re worth the cost.
•Get a detailed breakdown of thermal imaging home inspection costs, including average prices, cost factors, and tips to help homeowners budget.

Home energy audits can identify ways to make your home more energy-efficient. Learn whether an energy audit is a good investment for your home.
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